As the youngest member of hit idol group LoverU, Ryeojoon never suspected that a book gifted by a fan would be... riveting fan fiction starring himself and the other LoverU members! Drawn deeper into the mysterious world of fanfics, he just can't stop himself anymore... How long can this bookworm keep his not-so-innocent hobby a secret? Superstar turns superfan as Ryeojoon walks a dangerous line between idol and fanboy!